baber/WOPTO huggingface dataset:
Patent GB-802479-A (GB)
Title: Knife sharpeners
Inventor: PERKINS JOHN MERVYN
IPC: B24D15/08
Filed: 1956-01-31
Abstract: 802,479. Knife sharpener. PERKINS & SMITH, Ltd., J. M. Jan. 1, 1957 [Jan. 31, 1956], No. 3019/56. Class 60. A knife sharpener comprises a channelsection body 5 formed with grooves 7 in its opposite walls engaging a metal insert 9 extending transversely across the channel and having a V-shaped notch 10 in its upper edge to which is secured, in offset relationship, a pair of tungstencarbide or hard metal strips 11 with their presented edges chamfered in the same direction. An end wall 5a is formed integral with the body and is provided with a notch 6 which serves as a guide for a knife blade as it is drawn over the strips 11 which are brazed or otherwise secured to the steel insert 9. The strips are of a width substantially equal to half the width of the insert and they are secured so that their lower ends overlap. The presented edges of the strips are chamfered in the same direction so that the knife makes contact with the strip corners remote from the wall 5a. The insert, which has right-angled corners, is an interference fit in the semi-circular grooves 9 in the side walls of the body 5. Holes 8 are provided in the base of the body for securing the sharpener to a wall or table. The depth of the sides of the body 5 are greatest at the end wall 5a.
Patent GB-194879-A (GB)
Title: Improvements in pen nibs
IPC: B43K1/02
Filed: 1922-02-01
Abstract: 194,879. Alexander, P. S. H., and British Pens, Ltd., Feb. 1, 1922. Pens; reservoir nibs.-A pen-nib, suitable for use in decorative writing, sign writing, eastern script, &c. comprises a flat nib, pierced and slit as usual, and a lever spring reservoir adapted to bear on the upper side of the nib near tl:e point. The nib, Fig. 1, is formed from a flat shouldered blank having two side wings 2 which are bent slightly so that the upper side of the nib is slightly convex. The reservoir attachment, Fig. 4, which is provided with a shank 9 for insertion into an ordinary holder and with bentover ears 6 for the reception of the shank 7 of the nib, has a semi-tubular extension 8 to serve as a reservoir for ink and as a support to resiliently resist bending of the nib, and is arranged to flex at a point above that at which the nib is suported by the ears 6. As shown in Fig. 9, the reservoir attachment 8 is formed as an independent unit for insertion into an ordinary holder 11 in which it is secured by an inturned lug 13 engaging a slot in the attachment, ears 6 being provided on the holder for the reception of the nib. If desired, the attachment may be formed integral with the holder, or, 'as shown in Fig. 15, the reservoir may be formed by a stamped-out portion of the shank 7 bent over to contact with the upper side of the nib.
Patent GB-524455-A (GB)
Title: Improved press for moulding foods for livestock
IPC: B30B11/22
Filed: 1939-01-30
Abstract: 524,455. Extruding foods for livestock. ATELIERS DE CONSTRUCTIONS L. M. S. SOC. ANON., and PERMENTIER, P. R. DE. Jan. 30, 1939, No. 3099. Convention date, Dec. 9, 1938. [Class 87 (ii)] In a press for moulding animal foodstuffs in cylindrical lumps wherein a cam member turns relatively to an outer die member, the cam member comprises two half cylinders 2 relatively displaced and secured together along their plane diametrical faces. Those portions subjected to most wear are formed of removable segments 3 having projections 4 engaging grooves in the cam 2, the segments being retained in place by the engagement of one bevelled end under an undercut portion of the cam 5 and by the engagement with the other end of a removable stop 6. The Specification as open to inspection under Sect. 91 includes the provision of rotary and fixed blades 9, 8 past which the material is fed to the cam member. There may be a number of superposed sets of holes 13 in the dieplate 10. The holes may be provided with interchangeable nozzles 12 having curved extensions which bend the extruded material down so as to break it into lumps. The length of the lumps is varied by providing differently curved extensions. Alternatively, curved guides may be used instead of nozzles. This subject-matter does not appear in the Specification as accepted.
Patent GB-1385054-A (GB)
Title: Reversing switch
IPC: H01H19/38
Filed: 1972-01-21
Abstract: 1385054 Rotary reversing switch LUCERNE PRODUCTS Inc 21 Jan 1972 [28 Jan 1971] 3106/72 Heading H1N In an electrical reversing switch, spaced stationary contacts 90, Fig. 17, are engaged by movable contacts 66, 66a in recesses 64 of a rotary holder assembly 40, 42, Fig. 6, arranged whereby the current through the switch may be reversed. The stationary holder 76 comprises upper and lower parts 76a, 76b interlocked together as by projections 82 engaging corresponding recesses (80), Fig. 9 (not shown). Each of the parts 76a, 76b carrying two of the fixed contacts 90 with link-up integral terminal strips 86b, Fig. 7, forming part of integral contact and terminal members 86, Fig. 11. Assembly of the parts 76a, 76b within a hollow housing part 108 retains the parts in position. The movable contacts 66, 66a are resiliently pressed by springs (68), Fig. 20 (not shown), against the surfaces of all four contact faces 90 which on assembly lie in a common plane. Connection to the terminal strips 86b is made by spring grippers 94a mounted within recesses 92a of the holder assembly 76 with their ends urged towards the strips 86b and adapted to grip connecting wires L1-L4, Fig. 17. The rotary contact holder assembly 40 is held together by a screw 60, Fig. 6, which retains a resilient detent arm 54 for positioning the switch in relation to detent 56. Activation of the switch may be by an arm 28 having a rectangularly slotted end 30 for spring-pressed holding engagement over the upper end of the rotary contact holder 40. In a modification the switch may be actuated by a pair of rectilinearly movable alternately operable plungers (114), Fig. 22 (not shown), which are coupled to opposite ends of a lever (42) mounted centrally on the switch rotor member 40.
Patent GB-1514152-A (GB)
Title: Reactive dyestuffs
IPC: C09B62/06
Filed: 1977-01-26
Abstract: Novel dyes of the formula I <IMAGE> in which: R1 is H or SO3H; R2, R3, R4 are H or a substituent; X is substituted or unsubstituted phenylene, phenylenealkylene or cyclohexylene, Y is halogen, Z is a bridging member, which dyes are suitable for dyeing OH- and N-containing materials by customary methods of reactive dyeing and produce strong brilliant dyeings, are obtained by reaction of chromophores of the formula V (a) directly with a compound of the formula VI, (b) first with a triazine of the formula X and then with an amine of the formula IX, or (c) first with a triazine of the formula X, then with a diamine of the formula HN(R3)-Z-N(R4)H and finally with 2,4,6-trifluoro-5-chloropyrimidine. <IMAGE>
Patent GB-100137-A (GB)
Title: Improvements in or relating to Carburettors.
Inventor: RENE TAMPIER
IPC: F02M7/18
Filed: 1916-03-02
Abstract: 100,137. Tampier, R. Feb. 15, 1915, [Convention date]. Valve members and faces.-The fuel supply to a carburettor is controlled bv a resilientlymounted valve placed between the float chamber and nozzle. The valve proper is a combined ball and conical needle valve 15, 16 seating at 14 at the upper edge of the discharge orifice 13 formed in a screwed plug 9 between which and a cap 7 a gauze strainer is secured. The valve is mounted in a casing 18, and is pressed downward by a spring 17 and lifted when the casing 18 is raised by a ring 18<3> supported by a flange 18<2>. The casing 18 is raised and the valve actuated by a lever 21 through links 20 and a rod 19, which works tightly in a stuffing- box 29. The lever-supporting bracket 23 is secured by a clamp 24.
Patent GB-1125719-A (GB)
Title: Arrangement for the cooling of superconducting material
IPC: H01F6/04
Filed: 1966-01-24
Abstract: 1,125,719. Refrigerating. MAX. PLANCKGESELLSCHAPT ZUR FORDERUNG DER WISSENSCHAFTEN, e.V. 24 Jan., 1966 [22 Jan., 1965], No. 3195/66. Heading F4H. In a device for cooling a coil 1 of superconducting material, the coil is placed in a container 3 which is evacuated through a connection 9, gaseous helium is supplied to the container 3 from a bottle 6, and a vacuum pump 28 draws liquid helium from a reservoir 22 into a coil 2 in the container 3, in which coil helium is vaporized. The temperature in the container 3 is controlled by a valve 26 which is automatically operated through a line 14 in accordance with temperature or vapour pressure in the container 3. The coil 2 is bifilar and gas from its outlet passes through a bifilar coil 16 forming a radiation shield before passing to the pump 28. The pump 28 discharges to a helium recovery plant (not shown). An adjustable device 5 maintains a constant helium pressure in the container 3 and, if the required conditions are such that helium liquefies in the container, a resistance feeler 12 is used to sense the liquid level in the container so that the helium supply may be discontinued. Superinsulation 18 is provided around the container 3 and an outer casing 19 may be evacuated through a connection 20. The device may be precooled with nitrogen.
Patent GB-103717-A (GB)
Title: Improvements in Yarn Feeding and Winding Apparatus of Ribbon Warp Warping Machines.
Inventor: VOGT WERNER
IPC: D02H13/16
Filed: 1916-03-03
Abstract: 103,717. Vogt, W. March 3, 1916 Warps, balling.-In warping and balling apparatus for ribbon warps, in which a measuring-roller serves as a feed-roller on to which the threads are pressed by the full weight of a pair of rollers, the friction drive of the winding-spool is adjusted by applying weights axially to, and consequently evenly over, the surfaces of the friction disks, whereby the tension of the threads between the spool and the feed-roller can be regulated. As shown, the threads from a creel pass over and under lease-rods, through a reed 2, between a driven measuring and feed roller 18 and heavy rubber-covered rollers 17, to a traversing guide comprising a pivoted fork w with inclined prongs and parallel pins v on a member y, which is slidably mounted on the upper end of a traverse rod p and may be adjusted in position by a screw z during the operation of the machine. The warps are wound on a spool 4 arranged at right-angles to the roller 18 and driven from the main shaft G by bevel-gearing, a spindle 5, and friction disks 9, 10, the friction between the disks being regulated by removable weights 16 on a flanged sleeve 14 on the end of the spool spindle 11. The rod p is reciprocated by a lever m with a pivot pin q adjustable in a fixed slot t by means of a screw and a hand-wheel v'. The lever m is adjustably connected by a rod k to one arm h of a bell-crank lever, the other arm carrying a bowl f engaged by a grooved cam b on a driven shaft.
Patent GB-1254175-A (GB)
Title: Improvements in or relating to jet propulsion nozzles
Inventor: BOUILLER JEAN GEORGES
IPC: F02K1/12
Filed: 1969-01-20
Abstract: 1,254,175. Jet propulsion nozzles. SOC. NATIONALE D'ETUDE ET DE CONSTRUCTION DE MOTEURS D'AVIATION. Jan. 20, 1969 [Jan. 19, 1968], No.3231/69. Heading F1J. A jet propulsion nozzle arrangement for a gas turbine or ramjet comprises a primary nozzle formed by upstream pivoted flaps 7, 8 and downstream pivoted flaps 9, 10, and a secondary nozzle comprising flaps 4 pivotally mounted to an annular axially movable element so as to be able to create a divergent portion variable in axial position and gradient. The upstream flaps 7, 8 define a convergent zone and are pivotally mounted at 7a, 8a to axially extending beams 29 spaced around the jet pipe 2. Flaps 7 are controlled by jacks 12, each of which is pivoted at 12b to the adjacent beams 29 and connected by its piston rod 12a to a rocker 11 pivoted to the beams 29 at 11a. Each jack 12 and its rocker 11 are in alignment with a flap 8, though not connected thereto, and the rocker is connected to the flaps 7 on either side of the flap 8 by oblique links 13, 14. This arrangement ensures that all the controlled flaps 7 move in unison while the flaps 8, which circumferentially overlap the flaps 7, follow the movement thereof. The downstream primary flaps 9, 10 are pivoted at 9a, 10a, to the ends of the flaps 8, 7 respectively. The flaps 10 are follower flaps whilst the flaps 9 are controlled by jacks 15, each of which is pivoted at 15a to the adjacent beams 29 and connected through a yoke 16 and oblique links 17, 18 to the flaps 9 on either side of the flap 10 with which the jack 15 is aligned. Thus all the flaps 9 move in unison and can be adjusted through a range of configurations from slightly convergent to divergent depending on the operating conditions. In order to prevent jamming of the flaps 9 when subjected to transverse forces, e. g. resulting from aircraft manoeuvres, these forces are transmitted by way of triangular linkage 20, 21 from the flaps 9 to a ring 22 forming part of the axially movable control element of the secondary flaps 4. Each follower flap 10 carries a torsion bar 19 on its outer surface with arms 19c, 19d engaging the adjacent controlled flaps 9 to ensure that the flaps 10 are always urged into engagement with the flaps 9. The secondary flaps 4 can be moved from their subsonic position, Fig. 1, to their supersonic position, Fig. 2, by axial movement of the ring 22 to which the flaps 4 are pivoted at 4a. This movement is effected by jacks 36, each fixed at one end 36a to the beams 29 and at the other end to an axially movable ring 33 which is connected to ring 22 by way of rails 32 and links 34 having a surrounding fairing 35. The rails 32 are guided for axial movement by rollers 32a co-operating with the beams 29. Ring 22 is connected by links 25 to a series of levers 24 each pivoted at one end 24a to the beams 29 and at the other end 23b to a further link 23 connected at 23a to a heel portion 4b of a flap 4. Thus axial movement of ring 22 causes axial and pivoting movement of the flaps 4.
Patent GB-510536-A (GB)
Title: Improvements in the production of aluminates and sulphur dioxide
IPC: C01B17/50
Filed: 1938-02-02
Abstract: 510,536. Aluminates ; sulphur dioxide. GROVES. W. W. (I.G. Farbenindustrie Akt. Ges.). Feb. 2, 1938, No. 3249. [Classes 1 (ii) and 1 (iii)] In the production of aluminates and sulphur dioxide a mixture of bauxite, alunite, aluminium sulphate, or aluminium sulphite with an alkali sulphate and/or an alkaline-earth sulphate is reduced in an internally heated furnace in stages at temperatures up to 1,200-1,300‹C. with avoidance of sintering until the reduction is finished, the main reduction being conducted at a temperature below about 1,000‹C. with carbon in deficiency and the final reduction being effected with a gaseous reducing agent. As the furnace is internally heated, steam and/or carbon dioxide are also present in the final stage. The process may be carried out in a shaft, or preferably in a rotary furnace, having means for introducing gas and air at various positions, so that the mixture may be heated in a slightly oxidizing preheating zone to 600-700‹C, the main reduction being then effected in a neutral zone up to 800-1,000‹C, and the final reduction be effected in a gas-reducing zone up to 1,200- 1,300‹C. 0.5 to 1 mol of carbon may be used per mol SO4, the ratio Al2O3 to Na2O be 1:1 when sodium sulphate is used, and the ratio Al2O3 to CaO be 1:1-3 when calcium sulphate is used. Examples relate to the reduction of aluminium sulphate with sodium or calcium sulphate or a mixture of the two in a rotary furnace. The Provisional Specification is not limited to the use of the aluminiferous materials specified above, nor to the use of a solid reducing agent such as carbon, nor to the use of an internally heated furnace.
Patent GB-142913-A (GB)
Title: An improvements in divisible rims for motor car wheels
IPC: B60B25/16
Filed: 1919-02-11
Abstract: 142,913. David, F. M. Feb. 11, 1919. Tyre attachments to rims.-The detachable flange B is adapted to fit under the unflanged edge of the fixed rim portion A, the two parts having spaced inclined teeth F, E respectively which are engaged in bayonet-joint fashion. The parts are locked against relative rotation in use by means of a stop-plate L on a spring-shutter K. Reference has been directed by the Comptroller to Specification 24455/04.
Patent GB-577584-A (GB)
Title: Improvements in and relating to electrical fuses
IPC: H01H85/54
Filed: 1944-02-22
Abstract: 577,584. Fusible cut-outs. DAVEY, L. E. W. C. N. Feb. 22, 1944, No. 3288. [Class 38 (i)] [Also in Group XXXVII] A cartridge &c. fuse f is carried in a sector-shaped block e pivoted at g so that the fuse can be inserted in a recess h in the block when in the position shown in dotted lines, and when the block is turned into the casing a the fuse is brought into engagement with the live contacts b. The block closes the casing and so protects the live contacts in both positions. The lower contact is resilient and holds the fuse against a tongue b<4> pressed out from the upper contact. When the block is turned outwards, stops i limit its movement, and the cavity h is downwardly inclined. An intermediate position may also be defined by a stop so that the device may be used as a switch.
Patent GB-1453798-A (GB)
Title: Single channel communication system
IPC: H04B14/00
Filed: 1974-01-24
Abstract: 1453798 Common channel communication BENDIX CORP 24 Jan 1974 [2 March 1973] 03290/74 Heading H4M A common channel communication system includes at least a pair of stations each incorporating a transmitter 50a which transmits pulses in response to the output of an oscillator 102, whose frequency is controlled in response to information to be transmitted (applied, e.g. at 10), and a receiver whose output is applied to one side of a detector/comparator 77 forming part of a synchronizing arrangement, the output from which is applied to the oscillator 102 to adjust the transmitted pulses to occur between received pulses. The output of the oscillator triggers a one shot circuit 100 whose trailing edge is  compared with the position of the received pulse to provide a signal which adjusts the frequency of the oscillator 102 if the two do not coincide. The pulses to be transmitted are shaped at 39 to cosine form, to conserve bandwidth.
Patent GB-682050-A (GB)
Title: Process for making microporous objects form vinyl chloride polymers
IPC: C08J9/26
Filed: 1951-01-30
Abstract: Microporous polyvinyl chloride is made by mixing particles of polyvinyl chloride and particles of a filler of an average size of 100 microns together with a plasticizer, shaping the mixture into the form of a briquette which is heated in the open atmosphere, preferably at 350-380 DEG  F., to form a gel, and soaking the briquette in a solvent for the filler, which is inert to the polyvinyl chloride, to leach out the filler particles.  The filler may be sodium sulphate, chloride or nitrate, potassium chloride or lithium chloride, all of which may be washed out of the briquette by water.  The plasticizer may be one or more of dioctyl phthalate, diisooctyl phthalate, tricresyl phosphate, dibutyl tetrachloro-phthalate, dioctyl sebacate, butyl benzyl sebacate and tetrahydrofurfuryl oleate.  A stabilizer may also be incorporated.
Patent GB-1103054-A (GB)
Title: Method for improving the physical properties of natural rubber
Inventor: ROY HRISHIKESH CHANDRA
IPC: C08K5/43
Filed: 1967-01-23
Abstract: Natural rubber is mixed with elementary sulphur, N,N-dicyclohexyl-2-benzothiazyl sulphenamide, morpholine disulphide, a metal inhibitor (e.g. mercaptobenzimidazole), and an antioxidant. The composition when vulcanized has greater resistance to heat ageing.
Patent GB-389628-A (GB)
Title: Improved apparatus for use in paper-hanging
IPC: B44C7/02
Filed: 1932-02-04
Abstract: 389,628. Paperhangers' machines. TALBUTT, B. F., Grosvenor Nursing Home, Grosvenor Road, Grimsby. Feb. 4, 1932, No. 3390. [Class 20 (ii).] A hand-manipulated paperhangers' machine, of the type in which the paper is drawn from a roll c around guide-rollers e, f, d, and over a pasting roller g mounted to rotate in a casing l holding paste, is provided with a single handle m on the casing and with edge cutters i adjustably mounted on the spindles of the guide-rollers. The casing may be provided with feet o and also with an adjustable lip n to vary the path of contact of the paper with the pasting roller. The guide-roller d may be provided with a removable handle so that it may be used as a winding roller.
Patent GB-376294-A (GB)
Title: Improvements in automatic firearms
IPC: F41A9/41
Filed: 1931-01-02
Abstract: 376,294. Automatic firearms. WHITE AUTOMATIC GUN CORPORATION, Portland, Maine, U.S.A.-(Assignees of White, J. C. ; 28, Westland Avenue, Boston, U.S.A.) Jan. 2, 1931, No. 3509/32. Convention date, Jan. 8, 1930. Divided on 376,316. [Classes 9 (i) and 119.] An automatic gun or rifle of the shoulder type either gas or recoil-operated comprises in combination a breech-block, a magazine below the path of the breech-block, a cartridge loader or packet receivable in the magazine, cartridge-lifting means, means to permit the emptied packet to be ejected under manual control, and a catch having no connection with the trigger mechanism adapted to hold the breech open when the last cartridge has been fired. The cartridge loader, Figs. 6 and 7, is made of sheet metal with a back 115 and sides 114 adapted to hold ten cartridges in staggered formation between end lips. This loader can be inserted in the magazine 110, Fig. 1, either end up, and the back of the loader is provided with two nibs 117 one or the other of which is engaged by a retaining catch 119 behind the magazine. The sheet-metal loader bears on a leaf 122 of a spring 120 in the bottom of the magazine, and another leaf 121 of the same spring bears against a lever 123 hinged at 124 and connected by a pivot 127 to a follower 126 held up by a spring 127a. The upward swing of the lever 123 is limited by a stop 125. The magazine extends below the guard-plate 70 and is secured by the master screw 11 ; and this screw also secures to a lug 10 on the receiver the flange 128a of a yoke 128, to which is pivoted at 129 a two-armed member 130 with internal lips 131 for guiding and retaining the cartridges at the mouth of the magazine. This guide member is held up by the rear end of the action-slide guide-rod 32, and its upward movement is limited by stops projecting from the yoke 128. If it is desired to remove a loader while cartridges still remain in it, the guide member 130 is depressed by a plunger device, whereupon the lips of the guide member spread apart and down over the uppermost cartridges. When the last cartridge has been fired, a lateral pin 142 on the lever 123 comes against a projection 143 on a breech catch 135 pivoted at 139 and lifts that catch into a notch in the action-slide 28, thereby holding the breech open. The catch 119 may then be deflected by hand to allow the spring leaf 112 to eject the empty loader. The catch 119 is fulcrumed in a slot in the guard-plate 70 and is held in place by a lateral projection 148 on the base of the ejector 68. The breech may be allowed to close at any time by a deflection of the breech catch 135 by manual operation of a handle thereon. Specification 5099/00, [Class 9, Ammunition &c.], is referred to.